Bobbin-carrier for braiding-machines.



J. B. GHAOE.

BOBBIN CARRIER FOR BRAIDI'NG MACHINES.

APPLICATION FILED PEB.2, 19i2.

Patented Feb. 4, 1913.

JOHN EDDY CHACE, OF SOUTH ATTLE'BORO, MASSACHUSETTS.

BOBBIN-CARRIER FOR BRAIDING-MACHINES.

To all whom it may concern Be it known that I, JOHN EDDY CIIACE, acitizen of the United States, residing at South Attleboro, in the countyof Bristol and State of Massachusetts, have invented a new and usefulImprovement in Bobbin- Carriers for Braiding-Machines, of which thefollowing is a specification.

This invention pertains to certain new and useful improvements in bobbincarriers for braiding machines, and the objects of the invention are togenerally improve, simplify and enable the economical production of abobbin carrier, to provide spring means for acting on the latch undercertain condi tions, and to provide a novel structure in which theweight and the latch are mounted to slide on guides that are located invary ing planes.

In the drawings-Figure 1 is a perspective View of the invention. Fig. '2is aside elevation, and Fig. 3 is a detail fragmentary perspective viewof the latch in raised or inoperative position.

The upright arm 1 of the-carrier is formed with the usual thread slot 2to receive the thread as it passes from the bobbin 3. The weight 4Lslideson guides 5 that are provided on the lower end of the arm I beingformed on the opposite side edges of said arm. The upper end of the arm1 is provided with a pair of vertical guides6 that are located in avertical plane to the rear of the plane in which the guides 5 arelocated". The latch 7 is formed to receive and slide on the guides 6,and same has a depending rod 8 secured thereto, the rod sliding throughperforated bosses or bearings 9 that are rig idly secured to or formedintegral with the arm 1. The rod 8 has a washer 10 rigidly secured aboveits lower end, the washer being disposed above the lower bearing 9, andsupporting the lower end of a coiled spring 11 that surrounds the rod 8.The upper end of the coiled spring 11 supports a washer 12 that is freetoslide on the rod 8 and is adapted for engagement with the under faceof the upper bearing 9 under conditions now to be described.

Thelength of the coiled spring 11 is such that same is brought intooperation under two conditions, the first being that in which the weight4 lifts the latch sufficiently high to enable the bobbin to be rotated,and, second when the bobbin is to be removed. in which case the bobbinis manually lifted Specification 5f Letters Patent.

' Patented Feb. 4,191.3.

Application filed February 2, 1912. Serial No. 675,023.

so that same causes the latch to be raised moved to a position above theupper end of the arm 1, the bobbin is .turned to one side or the othercarrying with it the latch, which latch will be released from the bobbinand due to the action of the spring 11 will be moved downwardly untilthe latch rests on the top bearing 9. IVhen the bobbin is raised it willbe understood that the upward movementthereof is suflicient to raise thelatch above the upper guides 6, so that the latch will beturned by thebobbin to cause the same to be out of alinement with the upper "guides,whereupon the spring will act to move the latch downwardly, as abovedescribed. When the latch is raised above the top end of the arm, therod 8 thereof will prevent disengagement of the latch from the arm.

In operation the gravity weight 4 will at all times maintain the propertension on the yarn. When the yarn has been used to the extent that theweight 4 is brought in contact with the latch 7, the latch will belifted sufliciently to permit the revolution of the bobbin 3 whichsupplies additional yarn and causes the weight to descend to its normalposition. When the yarn on the bobbin has all been used, the bobbin 3and with it the latch 7 are lifted to a point where the latch can beturned out of engagement with the guides 6. The spring 11 will then actto draw the latch down onto the upper bearing 9, when afull bobbin canbe placed on the bobbin spindles, the latch lifted and turned to itsproper position, and the carrier is then in operative condition.

Having. thus described my invention, I claim as new and desire to secureby Letters Patent;

1. In combination wit-h the vertical arm of a bobbin carrier, guides atthe lower end of the carrier, a weight slidingly engaged with saidguides, second guides at the top end of the armdocated out of verticalalinement with the first mentioned guides, a latch slidingly engagedwith said second guides, a depending rod carried by said latch, bearingson the arm to receive said rod, and a coiled spring surrounding the rodand having its lower end afiixed thereto at a point above the lowerbearing and having its upper end for engagement with the under face ofthe upper bearing.

2.- In combination with the vertical armarm, a latch slidingly engagedwith the sec- 0nd mentioned guides, a rod secured at its upper end tothe latch and depending therefrom, an upper and'a lower bearing carriedv by the arm to receive the rod, the upper 1 spring surrounding the rodand located be-- tween said bearings, and means to support bearing beingspaced fro n the second guides and arranged to one slde thereof, a coilthey lower end of said spring on the rod in spaced relation to the lowerbearing, the upper end of the spring being disposed, so 15 as to engagetheupper bearing when the rod is'nioved upwardly. 1

Int testimonyiwhereof I have hereunto signed my nam eto thisspecification in the presence of two subscribing witnesses. I

, J. EDDY CHACE. Witnesses;

ADA Esme Mary, J..A. MILLER.

